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Noun: Someone who tries to put others down to make themselves feel better. Usually done in a passive aggressive manner.

That annoying person who is insecure and always puts you down, often with backhanded compliments, in order to make themselves seem superior.
You have done really well for someone with your education level.

Your son was always troublesome. I'm glad I never had that trouble with my kids.
"That guys a real crush up . He must be insecure"
by Umberta February 07, 2017
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